Line data    Source code

       1             : /* SPDX-License-Identifier: GPL-2.0 */
       2             : #ifndef _ASM_E820_API_H
       3             : #define _ASM_E820_API_H
       4             : 
       5             : #include <asm/e820/types.h>
       6             : 
       7             : extern struct e820_table *e820_table;
       8             : extern struct e820_table *e820_table_kexec;
       9             : extern struct e820_table *e820_table_firmware;
      10             : 
      11             : extern unsigned long pci_mem_start;
      12             : 
      13             : extern bool e820__mapped_raw_any(u64 start, u64 end, enum e820_type type);
      14             : extern bool e820__mapped_any(u64 start, u64 end, enum e820_type type);
      15             : extern bool e820__mapped_all(u64 start, u64 end, enum e820_type type);
      16             : 
      17             : extern void e820__range_add   (u64 start, u64 size, enum e820_type type);
      18             : extern u64  e820__range_update(u64 start, u64 size, enum e820_type old_type, enum e820_type new_type);
      19             : extern u64  e820__range_remove(u64 start, u64 size, enum e820_type old_type, bool check_type);
      20             : 
      21             : extern void e820__print_table(char *who);
      22             : extern int  e820__update_table(struct e820_table *table);
      23             : extern void e820__update_table_print(void);
      24             : 
      25             : extern unsigned long e820__end_of_ram_pfn(void);
      26             : extern unsigned long e820__end_of_low_ram_pfn(void);
      27             : 
      28             : extern u64  e820__memblock_alloc_reserved(u64 size, u64 align);
      29             : extern void e820__memblock_setup(void);
      30             : 
      31             : extern void e820__reserve_setup_data(void);
      32             : extern void e820__finish_early_params(void);
      33             : extern void e820__reserve_resources(void);
      34             : extern void e820__reserve_resources_late(void);
      35             : 
      36             : extern void e820__memory_setup(void);
      37             : extern void e820__memory_setup_extended(u64 phys_addr, u32 data_len);
      38             : extern char *e820__memory_setup_default(void);
      39             : extern void e820__setup_pci_gap(void);
      40             : 
      41             : extern void e820__reallocate_tables(void);
      42             : extern void e820__register_nosave_regions(unsigned long limit_pfn);
      43             : 
      44             : extern int  e820__get_entry_type(u64 start, u64 end);
      45             : 
      46             : /*
      47             :  * Returns true iff the specified range [start,end) is completely contained inside
      48             :  * the ISA region.
      49             :  */
      50           0 : static inline bool is_ISA_range(u64 start, u64 end)
      51             : {
      52           0 :         return start >= ISA_START_ADDRESS && end <= ISA_END_ADDRESS;
      53             : }
      54             : 
      55             : #endif /* _ASM_E820_API_H */